Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Apr. 30, 2014 Subsequent Event
Income taxes (Textual) [Abstract]
Statutory rate	0.00%	37.00%
Deferred tax assets related to net operating loss carryforwards	$ 535
Income taxes paid (including interest and penalties)	2	427
State tax refunds				477
Expected net income tax refund			$ 893